/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.internal.processors.query.h2.sql;

import java.util.Collections;

/**
 * Placeholder.
 */
public class GridSqlPlaceholder extends GridSqlElement {
    /** */
    public static final GridSqlPlaceholder EMPTY = new GridSqlPlaceholder("");

    /** */
    private final String sql;

    /**
     * @param sql SQL.
     */
    public GridSqlPlaceholder(String sql) {
        super(Collections.<GridSqlAst>emptyList());

        this.sql = sql;
    }

    /** {@inheritDoc} */
    @Override public String getSQL() {
        return sql;
    }

    /** {@inheritDoc} */
    @Override public GridSqlElement resultType(GridSqlType type) {
        throw new IllegalStateException();
    }
}
